Download iOS 17.7 (21H16) for iPhone 12 Pro Max

You will have to note that you can only restore signed IPSW firmware files using iTunes or 3utools.

❌ This IPSW firmware is not being Signed by Apple

Firmware Identifier iPhone13,4
iOS Version 17.7
Release Date 2024-09-16
Update Date 2024-09-06
Sha1sum
a066cfdf991b86b5f9b5663f71d0e0faf97ff378
Sha256sum
773ad1d4b727101dd4affe8740fdcf7a8001194d5d849c77b2d98a23c86d2f0a
md5sum
e0b33022b2de042d05ca23d07abad19a
Size 7.42 GB
FileName
iPhone13,4_17.7_21H16_Restore.ipsw
Status

Download IPSW (7.42GB) Check device info
Release Notes

It should be noted that these are the official release notes for the from Apple

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Apple Podcasts

This update includes the following enhancements and bug fixes:

Some features may not be available for all regions or on all Apple devices. For information on the security content of Apple software updates, please visit this website:

https://support.apple.com/100100